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‘Two phases of valley incision have been observed beneath the flood basalts in the Nuussuaq Basin.’

‘Typically the ‘wet’ landslides occur in or above narrow gorges, and have limited preservation potential due to the major fluvial incision into the mass waste products.’

‘They both asked, ‘Have you undergone incision before coming back?’’

‘Stalactites and stalagmites can also be used to provide constraints on rates of landscape evolution by dating valley incision or tectonic uplift.’

‘The canyons attain depths of 700 m and widths of 15 km, with incision extending from near the top of the Munyarai Formation to the level of the Meramangye Formation.’

‘Strongly frictional effluent derived from a distributary channel mouth of the fan delta was probably responsible for repeated incision and fill on the fan delta slope.’

‘This period is also characterized by the deepest fluvial incision, which is interpreted as a response to a major relative sea-level lowering.’

‘The stratigraphic positions of the palaeovalleys in the Adelaide fold belt rule out glacial eustacy related to the preceding widespread Marinoan glaciation as a possible cause of palaeovalley incision.’

‘Additional smaller tubes are inserted through which fine instruments can be passed enabling surgery to be carried out without major incision.’

‘More recently, Maddy et al. suggested that aggradation and incision in river valleys can be explained by climate-induced changes in sediment and water supply.’

‘While a subaerial or partial subaerial origin for canyon incision is optimum for the mantle plume model, a submarine origin for canyon incision may not necessarily preclude this mechanism.’

‘This succession is characterized by fourth-order, fluvial-to-marine sequences, with valley incision up to 25 km wide and 70 m deep.’

‘The topography of the unconformity includes a northward-draining valley network interpreted to represent incision into the underlying Palaeocene section.’

‘The mechanism of canyon incision is extremely important because it influences our perception of the magnitude of vertical crustal motion or sea-level change that may be required.’

‘The second type depicts the entire standing female form in repousse with a full frontal face and torso; the pubic region is again emphasized by incision.’

‘Van Dijk et al. emphasized the absence of deep erosional incision in the geometry of the unconformity.’

‘In some caves, glyphs were cut into deep clay banks along the cave walls; in those cases, incision with a sharp tool is the rule, and images are formed by single traces.’

‘The alternative possibility, that incision was achieved by fluvial processes during an end-Permian eustatic lowstand, is less likely for the following reasons.’